<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

</head>
<body>

<!--原生的title就有输入提示悬浮  https://www.cnblogs.com/yangjunwl/articles/1097816.html 那么怎么自定义悬浮的样式呢?-->
<p>
    <a href="#" title="锚描述">锚文本</a>
    <input title="输入帮助">
</p>


</body>
</html>